| Identification | ||
| Name | 2,3-Butanedione | |
| Synonyms | Butane-2,3-dione; Diacetyl | |
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| Molecular Structure |
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| Molecular Formula | C4H6O2 | |
| Molecular Weight | 86.09 | |
| CAS Registry Number | 431-03-8 | |
| EINECS | 207-069-8 | |
| FEMA | 2370 | |
| Properties | ||
| Density | 0.981 | |
| Boiling point | 88 ºC | |
| Refractive index | 1.391-1.399 | |
| Flash point | 7 ºC | |
| Water solubility | 200 g/L (20 ºC) | |